OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $400.00 Call

BRKB270115C00400000

Latest saved OI784Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $400.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8004000 2026-10-02: 800 OI2026-10-05: 800 OI2026-10-06: 800 OI2026-10-07: 800 OI2026-10-08: 800 OI2026-10-09: 800 OI2026-10-13: 788 OI2026-10-14: 788 OI2026-10-15: 788 OI2026-10-16: 786 OI2026-10-21: 787 OI2026-10-23: 784 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BRK.B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing784-3
Oct 21, 2026787+1
Oct 16, 2026786-2
Oct 15, 20267880
Oct 14, 20267880
Oct 13, 2026788-12
Oct 09, 20268000
Oct 08, 20268000
Oct 07, 20268000
Oct 06, 20268000
Oct 05, 20268000
Oct 02, 2026800No prior observation